/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineTournamentInterface.h
Register for updates when a tournament match has been joined
[FDelegateHandle](API\Runtime\Core\Delegates\FDelegateHandle) AddOnOnlineTournamentMatchJoinedDelegate ( const [FOnOnlineTournamentMatchJoinedDelegate](API\Plugins\OnlineSubsystem\Interfaces\FOnOnlineTournamentMatchJoinedDe-) & Delegate )